Do I need an appointment for inbound?

Appointment requirement varies; confirm with carrier or Amazon Seller Central.

What are the receiving hours?

Receiving hours are not publicly listed; check with the facility or your carrier.

DEN3 — Amazon Fulfillment Center DEN3 | Amazon FBA Warehouse in Thornton, CO

DEN3 Amazon Fulfillment Center – Thornton, CO 80023 (2026 Complete Guide)

Warehouse code: DEN3
Facility type: Robotics sort fulfillment center
Full address: 14601 Grant Street, Thornton, CO 80023, United States
Scale: 855,000 sqft footprint / 2,400,000 sqft across 3 floors (~80 acres)
Opened: July 2018
Employment: 1,500+ full-time workers
Operating hours: 24/7
Location: NE corner of I-25 and 144th Avenue, north Denver metro

Note: This guide summarizes common practices and experiences for DEN3. For any shipment, Amazon's current Seller Central and Carrier Central documentation always takes priority.

1. Why DEN3 matters in Amazon's network (2026 snapshot)

DEN3 is Amazon's 2.4 million square foot (across three floors) robotics sort fulfillment center in Thornton, Colorado. With an 855,000 sqft footprint on approximately 80 acres, it was Colorado's largest industrial building at the time of construction. The facility opened in July 2018 with over 1,500 full-time workers and specializes in products 18 inches and smaller using extensive robotics.

The Denver metro location offers:

I-25 – Colorado's primary north-south corridor (directly at the site)
144th Avenue – east-west access
Denver International Airport (DEN) – major air cargo hub, 25 miles east
I-70 – transcontinental east-west corridor, 15 miles south
Mountain West hub — coverage for CO, WY, NM, UT, western KS and NE

DEN3 is part of Amazon's Denver cluster alongside DEN2 (Aurora), DEN5, and other area facilities, giving Amazon deep capacity in the Front Range corridor.

2. Core questions from FBA sellers & truck drivers

2.1 Do I need an appointment?

Yes—appointments required via Amazon Carrier Central. Book 7–14 days ahead, 2–3 weeks in Q4.

2.2 What products does DEN3 handle?

DEN3 is a robotics sort FC handling items 18 inches and smaller. Oversized products go to other facilities.

2.3 What pallet and packaging rules apply?

Standard FBA: 48"x40" GMA pallets, max 72" height, max 1,500 lbs. Colorado's dry, high-altitude climate (5,300 ft) means low humidity but extreme temperature swings.

3. Traffic, routing and parking tips

Approach: From I-25, take Exit 223 (144th Avenue) and head east. Turn south onto Grant Street. The facility is at 14601 Grant Street.

Traffic note: I-25 through northern Denver metro is frequently congested. The 144th Ave exit area has heavy development. Avoid 7–9 AM and 4–6 PM.

Truck stops:

Truck Stop	Location	Features
Sapp Bros	I-76, Commerce City	Full services, truck parking
Pilot Travel Center	I-25, Fort Collins area	Full services, overnight
Love's Travel Stop	I-25/I-76 junction	Diesel, parking, 24-hour

Hotels: Hampton Inn Thornton (~3 mi), Holiday Inn Express Northglenn (~5 mi)

4. Nearby Amazon facilities

DEN2 (Aurora, CO), DEN5 (Denver area), SLC1 (Salt Lake City, UT), ABQ2 (Los Lunas, NM, 1.3M sqft)

5. Quick FAQ

Q1: DEN3 is 2.4M sqft across 3 floors — was Colorado's largest industrial building.
Q2: Robotics facility for items 18 inches and smaller.
Q3: Opened July 2018 with 1,500+ workers.
Q4: Directly on I-25 at 144th Avenue in north Denver metro.
Q5: Appointments required via Carrier Central.

Last updated: March 14, 2026